Lenox® Speed Slot® 3009820MMHS Multi-Purpose Hole Saw, 20 mm Dia, 1-1/2 in D Cutting, HSS/Bi-Metal Cutting Edge

• Unique tooth shape evenly distributes cutting force over a wider area of the tooth
• Patented variable tooth set and height ensure that each tooth works independently, with super efficiency
• Virtually indestructible, they will cut faster and cleaner and last longer than other hole saws
• Bi-metal construction creates a hardened edge to minimize tooth stripping
• Plug removal as easy as 1-2-3 Speed Slot® features a staircase design for easy plug removal
• Up to 2X life in metal cutting enhanced tooth geometry, a thin kerf design and an advanced coating contribute to the efficiency of the cutting process
• Thick backing plate resists damage and increases life
• Improved Metal Cutting Performance
• Increased Wall Thickness Improves Durability And Minimizes Tooth Loss
• Optimized Tooth Design Penetrates Metal With Ease